Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 03, 2025 |
Jul. 28, 2024 |
Jul. 30, 2023 |
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| Beginning Balance | $ 15 | $ 19 | $ 12 | ||
| Charged to (Reduction in) Cost and Expense | 119 | 113 | 124 | ||
| Deductions | (117) | (117) | (117) | ||
| Ending Balance | 17 | 15 | 19 | ||
| Cash Discounts [Member] | |||||
| Beginning Balance | 4 | 6 | 5 | ||
| Charged to (Reduction in) Cost and Expense | 115 | 115 | 117 | ||
| Deductions | (115) | (117) | (116) | ||
| Ending Balance | 4 | 4 | 6 | ||
| SEC Schedule, 12-09, Allowance, Credit Loss [Member] | |||||
| Beginning Balance | 8 | 10 | 4 | ||
| Charged to (Reduction in) Cost and Expense | 4 | (2) | 7 | ||
| Deductions | (2) | 0 | (1) | ||
| Ending Balance | 10 | 8 | 10 | ||
| Sales Returns and Allowances [Member] | |||||
| Beginning Balance | [1] | 3 | 3 | 3 | |
| Charged to (Reduction in) Cost and Expense | [1] | 0 | 0 | 0 | |
| Deductions | [1] | 0 | 0 | 0 | |
| Ending Balance | [1] | 3 | 3 | 3 | |
| Actual Returns | $ 109 | $ 109 | $ 105 | ||
| Maximum [Member] | Sales Returns and Allowances [Member] | |||||
| Percentage Of Actual Returns | 2.00% | 2.00% | 2.00% | ||
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